Transcript Adductor magnus

Thigh
ANTERIOR
COMPARTMENT
POSTERIOR
COMPARTMENT
MEDIAL
COMPARTMENT
Compartments of the
Thigh
 Posterior Compartment
 Anterior Compartment
 Medial Compartment
Thigh
Thigh by deep fascia( fascia lata ) divided in
to three compartments and form anatomical
spaces (femoral triangle and adductor canal ).
Post. Compartment
Muscles
Arterial Supply
Hamstring:
1. Semitendinosus
2. Semimembranosus
3. Biceps
femoris
Profonda
femoris:
Branch of femoral artery
Nerve Supply
Sciatic nerve
Sciatic nerve is formed of (L4, L5, S1, S2,
S3) branches of sacral plexus
Muscles of the posterior compartment of thigh
Muscle
Origin
Biceps
femoris
Long head-inferomedial Head of fibula
part of the upper area of
the ischial tuberosity;
short head-lateral lip of
linea aspera
Sciatic nerve
[L5 to S2]
Flexes leg at knee joint;
extends and laterally
rotates thigh at hip joint
and laterally rotates leg
at knee joint
Semitendi
nosus
Inferomedial part of the
upper area of the ischial
tuberosity
Medial surface of
proximal tibia
Sciatic nerve
[L5 to S2]
Flexes leg at knee joint
and extends thigh at hip
joint; medially rotates
the thigh at the hip joint
and leg at the knee joint
Semimem
branosus
Superolateral
impression on the
ischial tuberosity
Groove and adjacent
bone on medial and
posterior surface of
medial condyle of
tibia
Sciatic nerve
[L5,S1,S2]
Flexes leg at knee joint
and extends thigh at hip
joint; medially rotates
thigh at the hip joint and
leg at the knee joint
Back
Insertion
Innervation Function
Posterior
Compartment
Muscles
Back
Review
Post. Compartment
Muscles
Arterial Supply
Nerve Supply
Hamstring:
1.
2.
3.
Semitendinosus
Semimembranosus
Biceps femoris
Profonda femoris
Branch
of nerve
femoral artery
Femoral
Sciatic nerve is formed of (L4, L5, S1, S2,
S3) branches of sacral plexus
Compartments of the
Thigh
 Posterior Compartment
 Anterior Compartment
 Medial Compartment
Ant. Compartment
Muscles
Arterial Supply
Nerve Supply
Psoas Major
Iliacus
Sartorius
Quadriceps:
1. Rectus
femoris
Femoral
Artery
2. Vastus medialis
3. Vastus lateralis
Femoral
artery
is
Femoral
nerve
4. Vastus
intermedius
continuation of the
external iliac artery
Femoral nerve is formed of (L2, L3, L4)
greater branches of lumbar plexus
Anterior
Compartment
Muscles
Muscles of the anterior compartment of thigh
Muscle
Origin
Psoas major
Innervation
Function
Posterior
Lesser trochanter of
abdominal wall
femur
(lumbar transverse
processes,
intervertebral discs,
and adjacent bodies
from T12 toL5
Anterior rami
L1,L2,L3
Flexes the thigh at
the hip joint
Iliacus
Posterior
abdominal wall
(iliac fossa)
Lesser trochanter of
femur
Femoral nerve
[L2,L3]
Flexes the thigh at
the hip joint
Sartorius
Anterior superior
iliac spine
Anterior surface of
tibia just
inferolateral to tibial
tuberosity
Femoral nerve
[L2,L3]
Flex, Abd, &
Lat.rotation the
thigh at the hip
joint and flexes the
leg at the knee joint
Quadriceps
Insertion
Anterior
Compartment
Muscles
Back
Muscles of the anterior compartment of thigh (continue)
Muscle
Origin
Insertion
Innervation
Function
Rectus
femoris
Straight head originates from
the anterior inferior iliac spine;
reflected head originates from
the ilium just superior to the
acetabulum
Quadriceps
femoris tendon
Femoral
nerve
[L2,L3,L4]
Flexes the thigh at the hip
joint and Extends the leg
at the knee joint
Vastus
medialis
Medial part of intertrochanteric
line, Spiral line, medial lip of
the linea aspera, medial
supracondylar line of femur
Quadriceps
femoris tendon
and medial
border of
patella
Femoral
nerve
[L2,L3,L4]
Extends the leg at the
knee joint
Vastus
interme
dius
Upper two-thirds of anterior and
lateral surfaces of femur
Quadriceps
femoris tendon
and base of
patella
Femoral
nerve
[L2,L3,L4]
Extends the leg at the
knee joint
Vastus
lateralis
Lateral part of intertrochanteric
line, margin of greater
trochanter, lateral margin of
gluteal tuberosity, lateral lip of
the linea aspera
Quadriceps
femoris tendon
and lateral
margin of
patella
Femoral
nerve
[L2,L3,L4]
Extends the leg at the
knee joint
Back
Back
Review
Ant. Compartment
Muscles
Arterial Supply
Nerve Supply
Sartorius
Quadriceps
Femoral Artery
Femoral nerve
Paralyses of Quadriceps
Compartments of the
Thigh
 Posterior Compartment
 Anterior Compartment
 Medial Compartment
Med. Compartment
Muscles
Arterial Supply
Nerve Supply
Pectineus
Adductor longus
Adductor brevis
Obturator artery:
Adductor
magnus
Branch of internal iliac artery
Gracilis
Femoral artery
Obturaror nerve:
Branch of Lumbar plexus
Medial
Compartment
Muscles
Back
Muscles of the medial compartment of thigh
Muscle
Origin
Insertion
Innervation
Function
Gracilis
External surfaces of the
body of the pubis and
Ischiopubic rami
Medial surface of
proximal shaft of the
tibia
Obturator nerve
[L2,L3]
Adducts thigh at hip
joint and flexes leg
at knee joint
Pectineus
Pectineal line and
Pectineal surface of
superior ramus
Pectineal line in
posterior surface of
proximal femur
Femoral nerve
[L2,L3]
Adducts and flexes
thigh at hip joint
Adductor
longus
External surface of body
of pubis (triangular
depression inferior to
pubic crest and lateral to
pubic symphysis)
Linea aspera on
middle one-third of
shaft of femur
Obturator nerve
[L2,L3,L4]
Adducts and
medially rotates
thigh at hip joint
Adductor
brevis
External surface of body
of pubis and inferior
pubic ramus
Posterior surface of
proximal femur and
upper one-third of
linea aspera
Obturator
nerve[L2,L3]
Adducts thigh at hip
joint
Adductor
magnus
Adductor partIschiopubic rami
Hamstring part-ischial
tuberosity
Posterior surface of
proximal femur, linea
aspera, medial
supracondylar line
Adductor Tubercle
Obturator nerve
[L2,L3,L4]
Sciatic nerve
(tibial division)
[L2,L3,L4]
Adducts and
medially rotates
thigh at hip joint
Back
Medial
Compartment
arterial
Supply
Back
Obturator Nerve
Review
Med. Compartment
Muscles
Arterial Supply
Pectineus
Adductor longus
Adductor brevis
Adductor
magnus
Obturator
artery:
Gracilis
Branch
of internal
iliac artery
Nerve Supply
Obturaror
nerve:
Femoral artery
Branch of Lumbar
plexus